anti-HBs or HBsAb (Hepatitis B surface antibody) – A “positive” or “reactive” anti-HBs (or HBsAb) test result
indicates that a person is protected against the hepatitis B virus
. This protection can be the result of receiving the hepatitis B vaccine or successfully recovering from a past hepatitis B infection.
What is the normal range for hepatitis B surface antibody?
For hepatitis B surface antibody (anti-HBs), a level less than 5 mIU is considered negative, while a level
more than 12 mIU is considered protective
. Any value between 5 and 12 mIU is indeterminate and should be repeated.
What does it mean if your hepatitis B surface antibody is positive?
(antibody to hepatitis B surface antigen):
when this is “positive” or “reactive,” it means
the person is immune to hepatitis B infec- tion
, either from vaccination or from past infection.
What does it mean if hepatitis B surface antibody is negative?
If your HBsAb test is negative, it can mean many different things—but, in general, it means
you are not immune to the Hepatitis B virus
. If your HBsAb test is negative, your healthcare provider may recommend getting the vaccine.
What does HBeAb positive mean?
HBeAb Positive or Reactive
You had
Hepatitis B
but cleared the part that makes the virus increase to very high amounts. Most patients clear the HBeAg or e antigen part of Hepatitis B in the first 6 months, but some do not clear the HBsAg or surface antigen.
Will I always test positive for hepatitis B?
Most adults who acquire HBV clear the virus within a few months, and their hepatitis B surface antigen test result will be negative after that time.
Some people remain infected and continue to test positive for hepatitis
B surface antigen.
Can you recover from chronic hepatitis B?
Most adults with hepatitis B recover fully
, even if their signs and symptoms are severe. Infants and children are more likely to develop a chronic (long-lasting) hepatitis B infection. A vaccine can prevent hepatitis B, but there’s no cure if you have the condition.
What is hepatitis B surface antibody quantitative?
Hepatitis B surface antibody quantitation is
used to determine hepatitis B immune status
, ie, to determine if the patient has developed immunity against the hepatitis B virus. Such immunity may develop following exposure to the hepatitis B virus or its vaccine.
What is hepatitis B surface antibody qualitative?
Hepatitis B Surface Antibody, Qualitative – The detection of anti-HBs is
indicative of a prior immunologic exposure to the antigen or vaccine
. To determine immune status as ≥10 mIU/mL as per CDC guidelines, please order Hepatitis B Surface Antibody, Quantitative.
How long do hepatitis B antibodies last?
How long does protection from hepatitis B vaccine last? Studies indicate that immunologic memory remains intact for
at least 30 years
among healthy people who initiated hepatitis B vaccination at >6 months of age. The vaccine confers long-term protection against clinical illness and chronic hepatitis B virus infection.
How do you cure hepatitis B reactive?
Several antiviral medications — including
entecavir
(Baraclude), tenofovir (Viread), lamivudine (Epivir), adefovir (Hepsera) and telbivudine (Tyzeka) — can help fight the virus and slow its ability to damage your liver. These drugs are taken by mouth. Talk to your doctor about which medication might be right for you.
Is hepatitis B core antibody curable?
There’s no cure for hepatitis B
, but there are several treatments that can help with managing symptoms and reducing the risk of long-term health problems, such as cirrhosis. If you have hepatitis B, try to get in for a blood test every six months or so to monitor your viral load and liver health.
Is Hep B an STD?
Hepatitis B
is a sexually transmitted disease
, but it is spread in other ways, too. This is a hardy virus that can exist on almost any surface for up to one month. You can get infected through contact with an infected person’s blood or body fluids.
Can HBsAg and HBsAb be positive?
Both in vitro simulation and in vivo animal models demonstrated that HBsAg antigen and HBsAb of the same serotypes
could not coexist
, but HBsAg antigen and HBsAb of different serotype could coexist. HBsAg/HBsAb double positive hepatitis B virus infection could be due to infection of viruses of different serotypes.
What does it mean when you are HBsAg positive and HBeAg negative?
In HBV carriers and patients with chronic hepatitis B, positive HBeAg results usually indicate presence of active HBV replication and high infectivity. A
negative HBeAg result indicates very minimal or no HBV replication
. Positive anti-HBe results usually indicate inactivity of the virus and low infectivity.
Can hepatitis B positive change negative?
10% of patients clear the virus (convert from surface antigen positive to surface antigen negative) and can be stated to be
cured
. A long-term follow-up study showed that patients treated with interferon will eventually lose HBsAg and be cured of hepatitis B.
